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巨型光弧
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巨型光弧
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giant arc
巨型光弧
在强引力透镜现象中,延展的背景光源所发出的光线经过前景透镜体的折射而形成的一类巨大的切向弧形像。
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giant arc
巨型光弧
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planning of Yunnan Dian Zhong New Area
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